Finding the Fourth Proportional to 145.18, 199.18 and 132.94
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Solution
The fourth proportional to 145.18, 199.18 and 132.94 is: 182.39
Step by Step Solution
- Step 1: Write the proportion equation
145.18 : 199.18 = 132.94 : x - Step 2: Convert to fraction form
145.18/199.18 = 132.94/x - Step 3: Cross multiply
145.18x = 199.18 × 132.94 - Step 4: Simplify right side
145.18x = 26,477.99 - Step 5: Solve for x
x = 26,477.99/145.18 - Step 6: Final answer
x = 182.39
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.